We had a great stay in this one-bedroom apartment with kitchen. This is an upscale building with a good view of the city. Both the building and the apartment are very quiet and well maintained. The kitchen is well equipped, and I was able to use the breakfast counter as a desk, and the owner even had a set of speakers there for my phone. The washer was a bonus. There was drying rack on the balcony, and an iron and small ironing board. Everything was spotless.
The Saphan Kwai / Ari area is to the north side of central Bangkok, a couple of stops from Victory Monument, and about 4 or 5 stops from Siam Square. The apartment is halfway between two BTS Skytrain stations, about 10 minutes walk to either one.
Pete met us when we arrived, and responded to our few questions within minutes. You can't go wrong with either the area, the apartment, or the host.